Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 15, 1972," G.12.3 Industrial Production (1972-08-15). https://fraser.stlouisfed.org/title/55/item/59730, accessed on April 18, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 15, 1972," G.12.3 Industrial Production (1972-08-15). https://fraser.stlouisfed.org/title/55/item/59730, accessed on April 18, 2024.